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Finding the Fourth Proportional to 369,166.60, 553,674.30 and 102,860.20

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Solution

The fourth proportional to 369,166.60, 553,674.30 and 102,860.20 is: 154,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,166.60 : 553,674.30 = 102,860.20 : x
  2. Step 2: Convert to fraction form
    369,166.60/553,674.30 = 102,860.20/x
  3. Step 3: Cross multiply
    369,166.60x = 553,674.30 × 102,860.20
  4. Step 4: Simplify right side
    369,166.60x = 56,951,049,232.86
  5. Step 5: Solve for x
    x = 56,951,049,232.86/369,166.60
  6. Step 6: Final answer
    x = 154,269.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.